Home / 844,364.20-1,266,546.30-346,085.80

Finding the Fourth Proportional to 844,364.20, 1,266,546.30 and 346,085.80

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Solution

The fourth proportional to 844,364.20, 1,266,546.30 and 346,085.80 is: 519,128.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,364.20 : 1,266,546.30 = 346,085.80 : x
  2. Step 2: Convert to fraction form
    844,364.20/1,266,546.30 = 346,085.80/x
  3. Step 3: Cross multiply
    844,364.20x = 1,266,546.30 × 346,085.80
  4. Step 4: Simplify right side
    844,364.20x = 438,333,689,472.54
  5. Step 5: Solve for x
    x = 438,333,689,472.54/844,364.20
  6. Step 6: Final answer
    x = 519,128.70

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Double scale
Find fourth proportional to 844,365.20, 1,266,547.80 and 346,086.80
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.